Heritability and Twin Studies
Meta-analysis of the heritability of human traits based on fifty years of twin studies
... Fifty Years of Twin Studies: A Meta-Analysis of the Heritability of Human Traits Tinca JC Polderman 1† , Beben Benyamin 2† , Christiaan A. de Leeuw 1,3 , Patrick F Sullivan 4,5,6 , Arjen van ...
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What Twin Studies Tell Us About the Heritability of Brain Development, Morphology, and Function: A Review
... in twin studies using structural and func- tional Magnetic Resonance Imaging ...of twin studies using MRI in children, adults and elderly, and focuses on cross-sectional and longitudinal ...in ...
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Heritability: Twin Studies. Twin studies are often used to assess genetic effects on variation in a trait
... In monogenic diseases, mutations in a single gene are both necessary and sufficient to produce the clinical phenotype and to cause the disease. The impact of the gene on genetic risk f[r] ...
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Chorionicity and heritability estimates from twin studies: The prenatal environment of twins and their resemblance across a large number of traits
... Heritability estimate Introduction The classical twin design has been the most productive method to assess heritability in the analysis of complex human ...in twin-based heri- tability ...
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Twin studies of subjective sleep quality and sleep duration, and their behavioral correlates: Systematic review and meta-analysis of heritability estimates
... health. Twin studies have demonstrated that there is a substantial genetic overlap between sleep quality/duration/ sleep disorders and depression (Gasperi et ...GWAS studies have also found large ...
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Familiality and Heritability of Fatigue in an Australian Twin Sample
... family studies have primarily focused on chronic fatigue syndrome, while univariate twin studies have investigated broader fatigue ...between studies, particularly with regard to sex-specific ...
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Recurrent headache and migraine heritability: Twin study
... and twin studies show that there is a genetic component, but no genes predisposing to common forms of the recurrent headache (migraine and non-migraine) have been identified ( WESSMAN et al 2007; BIGAL ...
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Heritability of Retinal Vascular Morphology. in a Danish Twin Population
... to heritability, added random variation has the effect of decreasing the ...to twin (and adoption) studies, then the fa- milial correlation may be multiplied by two to get the heritability ...
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Heritability of time preference: Evidence from German twin data
... Second, we test the assumption of random mating of mothers and fathers. In com- parison to the vast majority of twin studies, we have the possibility to analyze the correlation of patience between parents. ...
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Heritability of time preference: evidence from German twin data
... Second, we test the assumption of random mating of mothers and fathers. In com- parison to the vast majority of twin studies, we have the possibility to analyze the correlation of patience between parents. ...
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Heritability of Gestational Weight Gain – A Swedish Register-Based Twin Study
... Even though our sample size is rather large, as mentioned in the results section, the C component of the adjusted ACE model was small and non-significant (0.03, 95% CI: 0.00, 0.26). This could indicate that we lack power ...
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Heritability of Sleep EEG Topography in Adolescence: Results from a Longitudinal Twin Study
... Despite these developmental changes, trait-like features have been detected in the sleep EEG of healthy children and adolescents 13,14 . Tarokh et al. 14 examined normalized sleep EEG power spectra in four EEG der- ...
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CLASSICAL TWIN STUDIES AND BEYOND
... extended twin studies — such as a study of young- adult twins, their middle-aged parents and a second group of middle-aged twins (that is, twins of the same age as the parents of the first group of pairs of ...
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Low heritability in pharmacokinetics of talinolol: a pharmacogenetic twin study on the heritability of the pharmacokinetics of talinolol, a putative probe drug of MDR1 and other membrane transporters
... of twin studies. The results of twin studies may provide a unique basis to direct further research ...from twin studies reveal no or only moderate genetic effects, then such ...
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Heritability Estimates of Karen Horney’s Core Neurotic Trends in a Young Adult Twin Sample
... genetic studies showing that almost all complex human traits and behaviors have an underlying genetic predisposition (Johnson, Turkheimer, Gottesman, & Bouchard, 2009; Turkheimer, 2000; Polderman et ...(e.g., ...
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The Prenatal Environment in Twin Studies: A Review on Chorionicity
... of heritability, there were instances of each across the many phenotypes considered ...few studies and often sample sizes were ...9000 twin pairs, report on chorion- icity and heritability ...
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Heritability of Cold and Heat Patterns: A Twin Study
... several studies have been undertaken to deter- mine the underlying biological pathways for cold–heat pat- terns, to date their heritability has been very rarely ...reported heritability of RP to be ...
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Heritability of Apnea of Prematurity: A Retrospective Twin Study
... Recent studies using the twin model suggest that in addition to mat- urational influences, susceptibility to these conditions is uniquely influenced by genetic and environmental contri- ...
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Heritability of hippocampal subfield volumes using a twin and non twin siblings design
... shared heritability estimates in the bivariate ...the heritability of a structure in isolation but also in relation to other neuroanatomical structures to get a full understanding of the genetic ...
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Prevalence and heritability of handedness in a Chinese twin and singleton sample
... population studies in North America and Britain have shown that the prevalence of left-handers varies by birth year and age cohort, and frequency of left-handers is much higher in the younger generations [19, ...
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